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Australian Experience in Long-Hole In-Seam Drilling Technology for Seam Gas Drainage
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Citation (Style = APA)
Richmond AJ, ; Allan J, (1982). Australian Experience in Long-Hole In-Seam Drilling Technology for Seam Gas Drainage.
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Reference Manager (RIS)
SpreadSheed (CSV)
Richmond AJ, ; Allan J, (1982). Australian Experience in Long-Hole In-Seam Drilling Technology for Seam Gas Drainage.
Citation Downloads
Reference Manager (RIS)
SpreadSheed (CSV)
Organization: The Australasian Institute of Mining and Metallurgy
Pages: 16
Publication Date:
Jan 1, 1982
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Abstract
Abstract
| The use of long-hole in-seam drilling techniques for seam gas drainage ahead of mining was introduced to the Australian coal industry by ACIRL in mid-1981. ACIRL's research program has involved the development and demonstration of drilling and borehole survey technology in addition to evaluating the gas drainage potential of long-hole in- seam boreholes. This paper presents the results of the long-hole drilling carried out to date in the Illawarra District of the New South Wales coal fields. Drilling experience in relation to both vertical and horizontal directional control of the drill string, drill performance and borehole survey techniques are discussed. In addition, results of gas drainage effected by the long boreholes are presented. Future potential and requirements for further development of this technology are Reviewed. |
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